FASTENER LENGTH | 0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM |
HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
HEAD DIAMETER | 0.851 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
HEAD HEIGHT | 0.245 INCHES MINIMUM AND 0.265 INCHES MAXIMUM |
HEAD STYLE | ROUND |
INTERNAL DRIVE STYLE | HEXAGON |
LOCKING FEATURE | PELLET THREADS |
MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL OVERALL |
MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
MINIMUM YIELD STRENGTH | 130000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.500 INCHES |
NONDEFINITIVE SPEC/STD DATA | 8 TYPE |
WIDTH ACROSS FLATS | 0.312 INCHES NOMINAL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.580 INCHES MINIMUM AND 0.766 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 13 |
THREAD SERIES DESIGNATOR | UNC |